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SN75C189D

  • 描述:种类: 接收者 驱动器数量/接收器数量: 0/4 电源电压: 4.5伏~6伏 供应商设备包装: 14-SOIC 工作温度: 0摄氏度~70摄氏度 安装类别: 表面安装
  • 品牌: 德州仪器 (Texas)
  • 交期:2-3 工作日
渠道:
  • 自营
  • 得捷
  • 贸泽

起订量: 1

  • 库存: 842
  • 单价: ¥4.37193
  • 数量:
    - +
  • 总计: ¥4.37
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规格参数

  • 制造厂商 德州仪器 (Texas)
  • 部件状态 可供货
  • 种类 接收者
  • 驱动器数量/接收器数量 0/4
  • 双工器 -
  • 数据速度率 -
  • 工作温度 0摄氏度~70摄氏度
  • 安装类别 表面安装
  • 协议 RS232
  • 包装/外壳 14-SOIC(0.154“,3.90毫米宽)
  • 供应商设备包装 14-SOIC
  • 电源电压 4.5伏~6伏
  • 接收器迟滞 330 mV

SN75C189D 产品详情

The SN75C189D and SN75C189A are low-power, bipolar, quadruple line receivers that are used to interface data terminal equipment (DTE) with data circuit-terminating equipment (DCE). These devices have been designed to conform to TIA/EIA-232-F.

The SN75C189D has a 0.33-V typical hysteresis, compared with 0.97 V for the SN75C189A. Each receiver has provision for adjustment of the overall input threshold levels. This is achieved by choosing external series resistors and voltages to provide bias levels for the response-control pins. The output is in the high logic state if the input is open circuit or shorted to ground.

These devices have an on-chip filter that rejects input pulses of less than 1-us duration. An external capacitor can be connected from the control pins to ground to provide further input noise filtering for each receiver.

The SN75C189D and SN75C189A have been designed using low-power techniques in a bipolar technology. In most applications, these receivers interface to single inputs of peripheral devices such as UARTs, ACEs, or microprocessors. By using sampling, such peripheral devices usually are insensitive to the transition times of the input signals. If this is not the case, or for other uses, it is recommended that the SN75C189D and SN75C189A outputs be buffered by single Schmitt input gates or single gates of the HCMOS, ALS, or 74F logic families.

The SN75C189D and SN75C189A are characterized for operation from 0°C to 70°C.

Feature

  • Meet or Exceed the Requirements of TIA/EIA-232-F and ITU Recommendation V.28
  • Low Supply Current...420 uA Typ
  • Preset On-Chip Input Noise Filter
  • Built-in Input Hysteresis
  • Response and Threshold Control Inputs
  • Push-Pull Outputs
  • Functionally Interchangeable and Pin-to-Pin Compatible With
SN75C189D所属分类:驱动器/接收器/收发器,SN75C189D 由 德州仪器 (Texas) 设计生产,可通过久芯网进行购买。SN75C189D价格参考¥4.371930,你可以下载 SN75C189D中文资料、PDF数据手册、Datasheet数据手册功能说明书,可查询SN75C189D规格参数、现货库存、封装信息等信息!

德州仪器 (Texas)

德州仪器 (Texas)

德州仪器公司(TI)是一家开发模拟IC和嵌入式处理器的全球半导体设计和制造公司。通过雇用世界上最聪明的人,TI创造了塑造技术未来的创新。如今,TI正在帮助超过10万名客户改变未来。

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